@import url('https://fonts.googleapis.com/css2?family=Lugrasimo&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@200..900&display=swap');

html, body {
    margin: 0;
    background-color: black;
    color: white;
    font-family: "Noto Serif JP", serif;
    font-optical-sizing: auto;
}

h1, h2, h3, h4 {
    margin: 0;
}

#container {
    min-width: 1200px;
    background-color: black;
}
.main-visual {
    background-image: url("images/darkness_era.jpg");
    background-repeat: no-repeat;
    background-size: cover;
}
div .main {
    margin: auto;
    max-width: 1200px;
    min-height: 900px;
    clear: both;
}
menu {
    margin: auto;
    padding: 0;
    max-width: 1200px;
    font-family: "Lugrasimo", serif;
    font-weight: 400;
    font-style: normal;
    font-size: 1.5em;
}
menu li {
    margin: 15px 10px;
    float: left;
    list-style: none;
}
a {
    color: white
}

.wide-image {
    width: 100%;
}

.half-image {
    width: 600px;
    float: left;
}

.wide-section {
    width: 100%;
    clear: both;
}

.inline-image {
    vertical-align: top;
    float: left;
}

.half-section {
    width: 600px;
    float: left;
}

.section-title {
    margin: 0 15px;
    font-size: 1.5em;
}

.subsection-title {
    margin: 0 15px;
    font-size: 1.3em;
}

.content-block {
    margin: 15px 22px;
    font-size: 1em;
}

.content-block img {
    margin-right: 15px;
}

.box-240 {
    max-height: 240px;
    overflow-y: scroll;
}

hr {
    margin: 30px 0;
}

footer {
    margin: 15px 0;
    text-align: center;
}

dt {
    padding: 10px 0 6px 0;
    font-weight: bold;
}

dd {
    padding: 3px 0;
}

.youtube {
	width: 100%;
	aspect-ratio: 16 / 9;
}

.youtube iframe {
	width: 100%;
	height: 100%;
}

@media screen and (max-width: 959px) {
    div .main, menu {
        max-width: 960px;
    }
    #container {
        min-width: 100%;
    }
    .half-image {
        width: 100%;
    }
    .half-section {
        width: 100%;
    }
}

@media screen and (max-width: 480px) {
    div .main, menu {
        max-width: 480px;
    }
    #container {
        min-width: 100%;
    }
    .half-image {
        width: 100%;
    }
    .half-section {
        width: 100%;
    }
}